大学英语词汇短语释义解析及例句 conditional expression
释义：
conditional expression [计] 条件表达式
例句：
A filter is a conditional expression that is used to select rows.
过滤器是一个条件表达式，用于选择行。
An overloaded function in a conditional expression cannot be evaluated.
无法计算条件表达式中的重载函数。
Listing 1 shows the conditional expression that ensures the deposit is positive.
清单1显示了确保存款为正数的条件表达式。
In addition, code assist is available when typing in the conditional expression.
除此之外，在输入条件表达式时，也可以使用代码帮助。
The test of a conditional expression occurs before the execution of the loop.
条件表达式的测试发生在执行循环之前。
To do this, we can use following conditional expression for each Data Item (Figure 21).
为此，可以针对每个DataItem使用以下条件表达式(见图21)。
Listing 5 shows an example of this using SimpleXML and XPath with a conditional expression.
清单5显示了一个结合使用SimpleXML和XPath以及条件表达式的示例。
In the COBOL system, the information represented by a data item, arithmetic expression, or conditional expression.
在COBOL系统中，由一个数据项、算术表达式或条件表达式表示的信息。
The update is then made with a conditional expression to only update if this field is the same as when the data was read.
然后，用条件表达式进行的更新只会在该字段就是数据被读出的那个字段进行。
When we embed a conditional expression in a larger expression, we usually must parenthesize the conditional subexpression.
当我们要在一个更大的表达式中嵌入条件表达式时，通常必须用圆括号把条件表达式括起来。
A conditional expression model, in which the target gene is deleted in the presence of a tetracycline derivative, was used to delete the VEGF gene from podocytes.
一个有条件的表达模型用来从足突细胞中删除VEGF基因，在四环素衍生物的出现下靶基因被删除。
To display the logged in user's position we can use the following conditional expression in the Data Item expression referring to the Parameter Map "position Code" (Figure 20).
要显示登录用户的职位，可以在引用ParameterMap“PositionCode”的DataItemExpression中使用以下条件表达式(见图20)。
Unicode character class specifiers, arbitrary code execution inside a pattern, flag toggles, conditional expressions, and many other features were added to the regular expression engine.
Unicode字符集、模式内任意代码操作、flagtoggles、条件表达式以及其他特征都被添加到正则表达式库中。
In general, you can replace a conditional statement with a conditional expression if both branches contain simple expressions that are either returned or assigned to the same variable.
一般来讲，你可以用条件表达式来替换掉条件语句，无论这些语句的分支是返回语句或者是赋值语句。
As in most every language, Scala's if evaluates a conditional expression, then proceeds to a block if the result is true or branches to an alternate block if the result is false. A simple example.
和大多数语言一样，Scala的if测试一个条件表达式，然后根据结果为真或假来跳转到响应语句块中。
